TY  - RPRT
TI  - Bouguer gravity anomaly map of the Twin Buttes area, Pima and Santa Cruz Counties, Arizona
AU  - Donald Plouff
PY  - 1962
DO  - 10.3133/ofr62104
UR  - https://pubs.usgs.gov/publication/ofr62104
ID  - ofr62104
ER  -